Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Ricevere il Premium

Create a timeline

Public timelines

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

20 apr 1985 anni - hole in ozone discovered

Aggiunto al nastro di tempo:

History 460 Final

ByEmmet Battenberg

9 dic 2017

0

0

458

Data:

20 apr 1985 anni

Adesso

~ 40 years ago

About & Feedback Accordo Privatezza FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL